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[Sentence Correction]
试题详情
题目：
The World Wildlife Fund has declared that global warming, a phenomenon most scientists agree to be caused by human beings in burning fossil fuels, will create havoc among migratory birds by altering the environment in ways harmful to their habitats.
选项:
A、a phenomenon most scientists agree to be caused by human beings in burning fossil fuels,
B、a phenomenon most scientists agree that is caused by fossil fuels burned by human beings,
C、a phenomenon that most scientists agree is caused by human beings' burning of fossil fuels,
D、which most scientists agree on as a phenomenon caused by human beings who burn fossil fuels,
E、which most scientists agree to be a phenomenon caused by fossil fuels burned by human beings,
答案:
C
提问：
我选择了B 麻烦帮忙理解B和C哪个更好？衡量标准是什么？
解答：
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